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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 866759Generated: October 30, 2026

2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline → HCID 20389826, compound

https://huagongshe.com/reaction/866759

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazolineHCID 616267—
Reactant1,2,3-thiadiazole-4-carbonyl chlorideHCID 6485430—
ProductHCID 20389826HCID 20389826—

Reaction Steps

The title compound was prepared by reacting 1,2,3-thiadiazole-4-carbonyl chloride (D. L. Pain and R. Slack, J. Chem. Soc., 5166 (1965)) and 4-amino-6,7-dimethoxy-2-(1-piperazinyl)quinazoline according to the procedure of Example 1. After crystallization from aqueous ethanol, the title compound melted at 270° C. (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04101548
Source datasetuspto-grants-1978_07
ORD IDord-8009f94d3908422688cd140f5ed3b5b6
Source noteuspto-grants-1978_07